The sex ratio in a population is usually fixed and does not vary among age classes

Indicate whether the statement is true or false


FALSE

Biology & Microbiology

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Contact with soil may result in infection with (anthropophilic/geophilic/zoophilic) dermatophytosis

What will be an ideal response?

Biology & Microbiology

Which of the following is NOT associated with a higher cancer risk?

a. hormone therapy b. safe sex c. smoking d. use of alcohol e. exposure to certain hazardous chemicals in the workplace

Biology & Microbiology

Dentinogenesis imperfecta is a rare, autosomal, dominantly inherited disease of the teeth that occurs in about one in 8000 people (Witkop 1957). The teeth are somewhat brown in color, and the crowns wear down rapidly. Assume that a male with

dentinogenesis imperfecta and no family history of the disease marries a woman with normal teeth. What is the probability that their first two children will have dentinogenesis imperfecta? A) 1/8 B) 1/4 C) 100% D) 3/4 E) 1/2

Biology & Microbiology

The convergence of evolutionary biology with genetics produced the unified evolutionary theory known as:

A) the origin of species. B) common descent with modification. C) the modern synthesis. D) polygenic inheritance.

Biology & Microbiology